package com.bit.springmvc.demo.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RequestMapping("/calc")
@RestController
public class CalcController {
    @RequestMapping("/sum")
    public String sum(Integer num1, Integer num2){
        //参数预处理, 如果num1或者num2为null时, 作为0参加运算  TODO
        Integer sum = (num1==null)? num2: num1+num2;
        return "计算机计算结果:" + sum;
    }
}
